A pad of double-thick polyfiber mechanically filters out floating waste and debris before allowing water to pass and be chemically filtered through Marineland's Black Diamond Premium Activated Carbon. Rite-Size cartridges feature a patented ribbed backing to maintain their shape, ensuring even distribution of activated carbon for maximum water-to-carbon contact.

A pad of double-thick polyfiber mechanically filters out floating waste and debris before allowing water to pass and be chemically filtered through Marineland's Black Diamond Premium Activated Carbon. Rite-Size cartridges feature a patented ribbed backing to maintain their shape, ensuring even distribution of activated carbon for maximum water-to-carbon contact.

Perfect

Great Service!

By Carol from Leander, TX

On April 8, 2015:

I purchased an Eclipse aquarium from a big name pet store. It has a built-in filtration system, so I must use a specific filter. Two years later, they now have stopped carrying the filters for it. Not only did Pet Mountain have the filters, they were considerably less expensive than when I could get them from the local store! I also received them very quickly!

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Excellent price!

By Mary from University Park, MD

On January 23, 2015:

I only buy these filters from PetMountain, as they are about three times more expensive at the pet store. I order several at a time, and it is convenient to have a bunch on hand.

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Marineland Cartridge Filters Best Price

By Consuelo from Atlanta, GA

On January 17, 2015:

Quick delivery, great packaging and best price ever; 50% off retail. Always stock up for the year, so tank always looks great!

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Spot on

By Rhonda from Kinderhook, NY

On January 5, 2015:

It's been very hard to find these filters locally and was pleased to see PetMountain carried them. The package arrived earlier than was expected and the items were as they said they were. My fish thanks you.

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Great filters

By Oscar from Yakima, WA

On November 13, 2014:

Received very quickly. Filters keep my tank clean and were packaged very well. Looking forward to doing more business with this company.

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1 of 1 people found the following review helpful:

It's a filter :)

By Aaron from Newport News, VA

On August 25, 2014:

It's the stock filter for my Eclipse 1 for a great price.

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Worked great!

By Nicholas from Holland, MI

On July 16, 2014:

Product fit as intended and works perfect! Will purchase from Pet Mountain again.

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Animal products too!

By JoyB from Badger, CA

On October 23, 2012:

Animal products too!

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1 of 1 people found the following review helpful:

Great product

By Bob from Overland Park, KS

On July 6, 2013:

Great price, fast delivery.

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I love my new fish tank

By Arlene from Sonora, CA

On April 29, 2010:

Got a amazing deal on a fish tank and is loving the deals on this website!

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We really like the Eclipse filters!!

By Doug from LeRaysville, PA

On July 19, 2007:

The Marineland tank systems along with the Eclipse filtration system is great. I recommend it highly..

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Fit Eclipse system 12

By Sheng from Englewood, NJ

On June 18, 2007:

The 3 pack filter media which fit into Eclipse 12 system. Very good price. Don't wait too long to change your filter media. It will get very dirty and short the new media's life. Also rinse the media before use.

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Easy to Use

By Joel from Thetford, VT

On March 27, 2007:

These filter cartridges are easy to use and provide good filtration for Eclipse systems. They are also fairly inexpensive. Unfortunately, they create a bit of extra garbage. On the whole, though, they work well.